The Treasury of Scales includes all major and minor scales in harmonized form -- 96 total. Scales are harmonized in SATB format. The harmony and tempo conditions give the conductor material to teach tone, balance, and intonation. It´s easy to use because so many of the instruments are playing the exact same lines. Treasury of Scales should be in every band folder as a permanent part of the repertoire and used daily as a warm-up exercise.